: Once the setting is changed, restart the CNC to clear the warning message. Important Safety Note:
Before switching from MEM to EDIT (or vice versa), mentally scan: fanuc wn57 override function is active
Some high-end FANUC models (31i-A, 31i-B) feature – a mode allowing the operator to manually jog an axis during an automatic cycle using the MPG (handwheel). If the operator exits this mode without canceling the interrupt or if the program expects synchronized axes, WN57 appears as a safety warning. : Once the setting is changed, restart the
This function is typically used by technicians and builders during machine commissioning or ladder logic debugging to manually force or "override" PMC signals. When active, it can prevent the PMC program from operating normally, which is why the control displays this warning message. Why the WN57 Message Appears This function is typically used by technicians and
M00 (PAUSE) ; Optional stop #3000=1 (CHECK OVERRIDES OFF) ; Custom macro stop
Setting will immediately deactivate the function and clear the WN57 alarm after a system restart.